Mazda Mazda3 vs Honda Civic Si Dimensions & Size Comparison
Comparing 2022 catalog dimensions. Mazda Mazda3 · Honda Civic Si
- Length175.6 in – 183.5 in
- Height56.7 in – 56.9 in
- Wheelbase107.3 in
- Ground clearance5.5 in
- Curb weight2,984 lb – 3,383 lb
- Width70.7 in
- Honda Civic Si width70.9 in
Which is bigger?
- Length: Mazda Mazda3 is 4.4 in shorter (179.6 in vs 184.0 in)
- Width: Mazda Mazda3 is 0.2 in narrower (70.7 in vs 70.9 in)
- Height: Mazda Mazda3 is 1.3 in taller (56.8 in vs 55.5 in)
- Wheelbase: Honda Civic Si has a 0.4 in longer wheelbase (107.3 in vs 107.7 in)
- Curb weight: Mazda Mazda3 is 227 lb heavier (3,184 lb vs 2,957 lb)
Biggest size differences
- Curb weight: Mazda Mazda3 is 227 lb heavier (3,184 lb vs 2,957 lb)
- Length: Mazda Mazda3 is 4.4 in shorter (179.6 in vs 184.0 in)
- Height: Mazda Mazda3 is 1.3 in taller (56.8 in vs 55.5 in)
- Wheelbase: Honda Civic Si has a 0.4 in longer wheelbase (107.3 in vs 107.7 in)
- Width: Mazda Mazda3 is 0.2 in narrower (70.7 in vs 70.9 in)
Practical verdicts
- Easier to fit in a short garageMazda Mazda3 — Mazda Mazda3 is shorter by 4.4 in Check garage fit for Mazda Mazda3 · garage fit for Honda Civic Si
- Narrower for tight parkingMazda Mazda3 — Mazda Mazda3 is narrower by 0.2 in
- Smaller exterior footprintMazda Mazda3 — Based on length × width (Mazda Mazda3)
Dimension comparison
| Spec | Mazda Mazda3 | Honda Civic Si | Difference |
|---|---|---|---|
| Length | 179.6 in | 184.0 in | 4.4 in |
| Width | 70.7 in | 70.9 in | 0.2 in |
| Height | 56.8 in | 55.5 in | 1.3 in |
| Wheelbase | 107.3 in | 107.7 in | 0.4 in |
| Ground clearance | 5.5 in | — | — |
| Curb weight | 3,184 lb | 2,957 lb | 227 lb |
Values use trim midpoints when a model year lists a range (e.g. length 175.6 in – 183.5 in).
Compare by year
Overlapping model years with dimension data.
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